diff --git a/home/first-boot.html b/home/first-boot.html
index 6dd2f78..9c0de7f 100644
--- a/home/first-boot.html
+++ b/home/first-boot.html
@@ -924,7 +924,7 @@ github.com style (c) Vasily Polovnyov <vast@whiteants.net>
   <li>to rotate 90° clockwise, add the line: display_rotate=1</li>
   <li>Press ctrl + o to save and ctrl + x to exit the file</li>
 </ul>
-  Now do a reboot and you should have a screen tilted:
+  Now do a reboot (sudo reboot) and you should have a screen tilted:
 <ul class="list">
   <li>0 = 0 degrees (the default value)</li>
   <li>1 = 90 degrees</li></li>